The sneakers in this picture are good for dancers because the soles are soft in the middle.

这张照片中的运动鞋很适合舞者，因为鞋底中间很软。

Also, chunky thick double or triple leather soles are not appropriate for all business suits and neither are chunky rubber soles.

此外，厚实的双层或三层皮革鞋底并不适合所有商务套装， 厚实的橡胶鞋底也不适合。